Question

An electric item is sold at a profit of 16% if it were sold for 20

Answer 1

Answer:

Step-by-step explanation:

The word pollution refers to the introduction of contaminants (pollutants) into the environment, having an adverse effect on it. Pollution is caused mainly due to human induced factors like – industrialization, deforestation, inefficient waste disposal etc. Pollution can be further classified into various categories like – water pollution, air pollution, noise pollution, plastic pollution, land pollution, light pollution, radioactive pollution etc. Hence pollution is a phenomenon having adverse effect on our natural resources – water, air etc or on overall environment.